CVE-2025-58186

Name
CVE-2025-58186
Description
Despite HTTP headers having a default limit of 1MB, the number of cookies that can be parsed does not have a limit. By sending a lot of very small cookies such as "a=;", an attacker can make an HTTP server allocate a large amount of structs, causing large memory consumption.
NVD Severity
unknown
Other trackers
CVE, NVD, CERT, CVE Details, CIRCL, Arch Linux, Debian, Red Hat, Ubuntu, Gentoo, SUSE (Bugzilla), SUSE (CVE), Mageia
Mailing lists
oss-security, full-disclosure, bugtraq
Exploits
Exploit DB, Metasploit
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
security@golang.org https://go.dev/cl/709855
security@golang.org https://go.dev/issue/75672
security@golang.org https://groups.google.com/g/golang-announce/c/4Emdl2iQ_bI
security@golang.org https://pkg.go.dev/vuln/GO-2025-4012
af854a3a-2127-422b-91ae-364da2661108 http://www.openwall.com/lists/oss-security/2025/10/08/1

Match rules

CPE URI Source package Min version Max version
net/http >= 0 < 1.24.8
net/http >= 1.25.0 < 1.25.2

Vulnerable and fixed packages

Source package Branch Version Maintainer Status
go edge-community 1.25.2-r0 Achill Gilgenast <achill@achill.org> fixed
go 3.22-community 1.24.8-r0 None fixed